mirror of https://github.com/kurisufriend/Clover
The icons in PostCell is now its own view instead of a spanned string. Optimized ThreadStatusCell updating Add String.format style loggingmultisite
Floens
10 years ago
parent
a5e96882cd
commit
0412b181f6
@ -0,0 +1,261 @@ |
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/* |
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* Clover - 4chan browser https://github.com/Floens/Clover/
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* Copyright (C) 2014 Floens |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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package org.floens.chan.ui.text; |
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import android.content.Context; |
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import android.content.res.TypedArray; |
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import android.graphics.Canvas; |
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import android.graphics.Paint; |
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import android.text.Layout; |
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import android.text.Spannable; |
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import android.text.StaticLayout; |
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import android.text.TextPaint; |
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import android.text.TextUtils; |
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import android.util.AttributeSet; |
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import android.util.LruCache; |
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import android.view.MotionEvent; |
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import android.view.View; |
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import org.floens.chan.R; |
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import org.floens.chan.ui.cell.PostCell; |
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import org.floens.chan.utils.Logger; |
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import static org.floens.chan.utils.AndroidUtils.sp; |
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/** |
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* A simple implementation of a TextView that caches the used StaticLayouts for performance.<br> |
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* This view was made for {@link PostCell} and may have untested behaviour with other layouts. |
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*/ |
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public class FastTextView extends View { |
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private static final String TAG = "FastTextView"; |
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private static LruCache<Long, StaticLayout> textCache = new LruCache<>(1000); |
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private TextPaint paint; |
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private boolean singleLine; |
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private CharSequence text; |
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private boolean update = false; |
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private StaticLayout layout; |
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private int width; |
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private FastTextViewMovementMethod movementMethod; |
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public FastTextView(Context context) { |
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this(context, null); |
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} |
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public FastTextView(Context context, AttributeSet attrs) { |
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this(context, attrs, 0); |
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} |
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public FastTextView(Context context, AttributeSet attrs, int defStyleAttr) { |
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super(context, attrs, defStyleAttr); |
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paint = new TextPaint(Paint.ANTI_ALIAS_FLAG); |
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TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.FastTextView); |
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setTextColor(a.getColor(R.styleable.FastTextView_textColor, 0xff000000)); |
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setTextSize(a.getDimensionPixelSize(R.styleable.FastTextView_textSize, 15)); |
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singleLine = a.getBoolean(R.styleable.FastTextView_singleLine, false); |
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a.recycle(); |
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} |
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public void setText(CharSequence text) { |
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if (!TextUtils.equals(this.text, text)) { |
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this.text = text; |
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update = true; |
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invalidate(); |
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requestLayout(); |
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} |
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} |
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public void setTextSize(float size) { |
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int sizeSp = sp(size); |
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if (paint.getTextSize() != sizeSp) { |
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paint.setTextSize(sizeSp); |
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update = true; |
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invalidate(); |
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} |
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} |
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public void setTextColor(int color) { |
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if (paint.getColor() != color) { |
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paint.setColor(color); |
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update = true; |
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invalidate(); |
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} |
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} |
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public void setMovementMethod(FastTextViewMovementMethod movementMethod) { |
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if (this.movementMethod != movementMethod) { |
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this.movementMethod = movementMethod; |
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if (movementMethod != null) { |
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setFocusable(true); |
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setClickable(true); |
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setLongClickable(true); |
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} else { |
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setFocusable(false); |
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setClickable(false); |
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setLongClickable(false); |
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} |
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update = true; |
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invalidate(); |
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} |
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} |
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public StaticLayout getLayout() { |
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return layout; |
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} |
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@Override |
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public boolean onTouchEvent(MotionEvent event) { |
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boolean handled = false; |
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if (movementMethod != null && text instanceof Spannable && layout != null && isEnabled()) { |
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handled |= movementMethod.onTouchEvent(this, (Spannable) layout.getText(), event); |
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} |
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return handled || super.onTouchEvent(event); |
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} |
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@Override |
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protected void onDraw(Canvas canvas) { |
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updateLayout(); |
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if (layout != null) { |
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canvas.save(); |
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canvas.translate(getPaddingLeft(), getPaddingTop()); |
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layout.draw(canvas); |
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canvas.restore(); |
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} |
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} |
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@Override |
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
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int widthMode = MeasureSpec.getMode(widthMeasureSpec); |
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int heightMode = MeasureSpec.getMode(heightMeasureSpec); |
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int widthSize = MeasureSpec.getSize(widthMeasureSpec); |
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int heightSize = MeasureSpec.getSize(heightMeasureSpec); |
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// Logger.test("%X %s %s", System.identityHashCode(this), MeasureSpec.toString(widthMeasureSpec), MeasureSpec.toString(heightMeasureSpec));
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if ((widthMode == MeasureSpec.AT_MOST || widthMode == MeasureSpec.UNSPECIFIED) && !singleLine) { |
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throw new IllegalArgumentException("FasTextView only supports wrapping widths on a single line"); |
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} |
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int width = 0; |
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if (widthMode == MeasureSpec.EXACTLY) { |
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width = widthSize; |
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} else if ((widthMode == MeasureSpec.AT_MOST || widthMode == MeasureSpec.UNSPECIFIED) && !TextUtils.isEmpty(text)) { |
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width = (int) Layout.getDesiredWidth(text, paint) + getPaddingLeft() + getPaddingRight(); |
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if (widthMode == MeasureSpec.AT_MOST) { |
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width = Math.min(width, widthSize); |
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} |
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} |
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if (width > 0) { |
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if (this.width != width) { |
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this.width = width; |
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update = true; |
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} |
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updateLayout(); |
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if (layout != null) { |
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int height; |
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if (heightMode == MeasureSpec.EXACTLY) { |
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height = heightSize; |
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} else { |
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height = layout.getHeight() + getPaddingTop() + getPaddingBottom(); |
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if (heightMode == MeasureSpec.AT_MOST) { |
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height = Math.min(height, heightSize); |
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} |
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} |
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setMeasuredDimension(width, height); |
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} else { |
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int height; |
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if (heightMode == MeasureSpec.EXACTLY) { |
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height = heightSize; |
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} else { |
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height = 0; |
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} |
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setMeasuredDimension(width, height); |
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} |
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} else { |
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// Width is 0, ignore
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Logger.w(TAG, "Width = 0"); |
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setMeasuredDimension(0, 0); |
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} |
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} |
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private void updateLayout() { |
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if (!TextUtils.isEmpty(text)) { |
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if (update) { |
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int layoutWidth = width - getPaddingLeft() - getPaddingRight(); |
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if (layoutWidth > 0) { |
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// long start = Time.startTiming();
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// The StaticLayouts are cached with the static textCache LRU map
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// Use .toString() to make sure we take the hashcode from the string representation
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// and not from any spannables that are in it
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long cacheKey = text.toString().hashCode(); |
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cacheKey = 31 * cacheKey + paint.getColor(); |
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cacheKey = 31 * cacheKey + Float.floatToIntBits(paint.getTextSize()); |
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cacheKey = 31 * cacheKey + layoutWidth; |
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StaticLayout cached = textCache.get(cacheKey); |
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if (cached == null) { |
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// Logger.test("staticlayout cache miss: text = %s", text);
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cached = getStaticLayout(layoutWidth); |
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textCache.put(cacheKey, cached); |
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} else { |
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// Logger.test("staticlayout cache hit");
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// Make sure the layout has the actual text, color, size and width, hashcodes almost never collide
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Paint cachedPaint = cached.getPaint(); |
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if (!text.toString().equals(cached.getText().toString()) || |
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cachedPaint.getColor() != paint.getColor() || |
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cachedPaint.getTextSize() != paint.getTextSize() || |
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cached.getWidth() != layoutWidth) { |
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Logger.w(TAG, "Cache miss with the same hashcode %x: \"%s\" \"%s\"!", cacheKey, text.toString(), cached.getText().toString()); |
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cached = getStaticLayout(layoutWidth); |
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} |
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} |
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layout = cached; |
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// Time.endTiming(Integer.toHexString(System.identityHashCode(this)) + " staticlayout for width = " + layoutWidth + "\t", start);
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} else { |
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layout = null; |
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} |
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} |
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} else { |
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layout = null; |
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} |
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update = false; |
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} |
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private StaticLayout getStaticLayout(int layoutWidth) { |
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// Logger.test("new staticlayout width=%d", layoutWidth);
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return new StaticLayout(text, paint, layoutWidth, Layout.Alignment.ALIGN_NORMAL, 1f, 0f, false); |
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} |
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} |
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@ -0,0 +1,25 @@ |
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/* |
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* Clover - 4chan browser https://github.com/Floens/Clover/
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* Copyright (C) 2014 Floens |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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package org.floens.chan.ui.text; |
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import android.text.Spannable; |
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import android.view.MotionEvent; |
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public interface FastTextViewMovementMethod { |
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boolean onTouchEvent(FastTextView widget, Spannable text, MotionEvent event); |
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} |
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@ -1,106 +0,0 @@ |
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/* |
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* Clover - 4chan browser https://github.com/Floens/Clover/
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* Copyright (C) 2014 Floens |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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package org.floens.chan.ui.view; |
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import android.content.Context; |
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import android.graphics.Canvas; |
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import android.graphics.Paint; |
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import android.text.Layout; |
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import android.text.StaticLayout; |
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import android.text.TextPaint; |
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import android.text.TextUtils; |
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import android.util.AttributeSet; |
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import android.view.View; |
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import static org.floens.chan.utils.AndroidUtils.sp; |
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public class FastTextView extends View { |
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private TextPaint paint; |
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private CharSequence text; |
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private boolean update = false; |
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private StaticLayout layout; |
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public FastTextView(Context context) { |
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super(context); |
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init(); |
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} |
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public FastTextView(Context context, AttributeSet attrs) { |
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super(context, attrs); |
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init(); |
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} |
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public FastTextView(Context context, AttributeSet attrs, int defStyleAttr) { |
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super(context, attrs, defStyleAttr); |
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init(); |
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} |
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private void init() { |
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paint = new TextPaint(Paint.ANTI_ALIAS_FLAG); |
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} |
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public void setText(CharSequence text) { |
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if (!TextUtils.equals(this.text, text)) { |
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this.text = text; |
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if (text == null) { |
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layout = null; |
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} else { |
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update = true; |
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} |
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} |
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} |
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public void setTextSize(float size) { |
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int sizeSp = sp(size); |
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if (paint.getTextSize() != sizeSp) { |
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paint.setTextSize(sizeSp); |
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update = true; |
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} |
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} |
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public void setTextColor(int color) { |
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if (paint.getColor() != color) { |
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paint.setColor(color); |
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update = true; |
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} |
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} |
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@Override |
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protected void onSizeChanged(int w, int h, int oldw, int oldh) { |
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update = true; |
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} |
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@Override |
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protected void onDraw(Canvas canvas) { |
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if (update) { |
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int width = getWidth() - getPaddingLeft() - getPaddingRight(); |
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layout = new StaticLayout(text, paint, width, Layout.Alignment.ALIGN_NORMAL, 1, 0, false); |
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update = false; |
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} |
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if (layout != null) { |
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canvas.save(); |
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canvas.translate(getPaddingLeft(), getPaddingTop()); |
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layout.draw(canvas); |
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canvas.restore(); |
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} |
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} |
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} |
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